/**
 * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package doan.quanlycanbo.portlet.service.persistence;

import com.liferay.portal.NoSuchModelException;
import com.liferay.portal.kernel.annotation.BeanReference;
import com.liferay.portal.kernel.cache.CacheRegistryUtil;
import com.liferay.portal.kernel.dao.orm.EntityCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderPath;
import com.liferay.portal.kernel.dao.orm.Query;
import com.liferay.portal.kernel.dao.orm.QueryPos;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.InstanceFactory;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.model.ModelListener;
import com.liferay.portal.service.persistence.BatchSessionUtil;
import com.liferay.portal.service.persistence.ResourcePersistence;
import com.liferay.portal.service.persistence.UserPersistence;
import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;

import doan.quanlycanbo.portlet.NoSuchhochamException;
import doan.quanlycanbo.portlet.model.hocham;
import doan.quanlycanbo.portlet.model.impl.hochamImpl;
import doan.quanlycanbo.portlet.model.impl.hochamModelImpl;

import java.io.Serializable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * The persistence implementation for the hocham service.
 *
 * <p>
 * Never modify or reference this class directly. Always use {@link hochamUtil} to access the hocham persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
 * </p>
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author Nguyen Tuan Vinh
 * @see hochamPersistence
 * @see hochamUtil
 * @generated
 */
public class hochamPersistenceImpl extends BasePersistenceImpl<hocham>
	implements hochamPersistence {
	public static final String FINDER_CLASS_NAME_ENTITY = hochamImpl.class.getName();
	public static final String FINDER_CLASS_NAME_LIST = FINDER_CLASS_NAME_ENTITY +
		".List";
	public static final FinderPath FINDER_PATH_FIND_BY_G_L = new FinderPath(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamModelImpl.FINDER_CACHE_ENABLED, FINDER_CLASS_NAME_LIST,
			"findByG_L",
			new String[] {
				Long.class.getName(), String.class.getName(),
				
			"java.lang.Integer", "java.lang.Integer",
				"com.liferay.portal.kernel.util.OrderByComparator"
			});
	public static final FinderPath FINDER_PATH_COUNT_BY_G_L = new FinderPath(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamModelImpl.FINDER_CACHE_ENABLED, FINDER_CLASS_NAME_LIST,
			"countByG_L",
			new String[] { Long.class.getName(), String.class.getName() });
	public static final FinderPath FINDER_PATH_FIND_ALL = new FinderPath(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamModelImpl.FINDER_CACHE_ENABLED, FINDER_CLASS_NAME_LIST,
			"findAll", new String[0]);
	public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamModelImpl.FINDER_CACHE_ENABLED, FINDER_CLASS_NAME_LIST,
			"countAll", new String[0]);

	/**
	 * Caches the hocham in the entity cache if it is enabled.
	 *
	 * @param hocham the hocham to cache
	 */
	public void cacheResult(hocham hocham) {
		EntityCacheUtil.putResult(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamImpl.class, hocham.getPrimaryKey(), hocham);
	}

	/**
	 * Caches the hochams in the entity cache if it is enabled.
	 *
	 * @param hochams the hochams to cache
	 */
	public void cacheResult(List<hocham> hochams) {
		for (hocham hocham : hochams) {
			if (EntityCacheUtil.getResult(
						hochamModelImpl.ENTITY_CACHE_ENABLED, hochamImpl.class,
						hocham.getPrimaryKey(), this) == null) {
				cacheResult(hocham);
			}
		}
	}

	/**
	 * Clears the cache for all hochams.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	public void clearCache() {
		CacheRegistryUtil.clear(hochamImpl.class.getName());
		EntityCacheUtil.clearCache(hochamImpl.class.getName());
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST);
	}

	/**
	 * Clears the cache for the hocham.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	public void clearCache(hocham hocham) {
		EntityCacheUtil.removeResult(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamImpl.class, hocham.getPrimaryKey());
	}

	/**
	 * Creates a new hocham with the primary key. Does not add the hocham to the database.
	 *
	 * @param mahocham the primary key for the new hocham
	 * @return the new hocham
	 */
	public hocham create(long mahocham) {
		hocham hocham = new hochamImpl();

		hocham.setNew(true);
		hocham.setPrimaryKey(mahocham);

		return hocham;
	}

	/**
	 * Removes the hocham with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param primaryKey the primary key of the hocham to remove
	 * @return the hocham that was removed
	 * @throws com.liferay.portal.NoSuchModelException if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham remove(Serializable primaryKey)
		throws NoSuchModelException, SystemException {
		return remove(((Long)primaryKey).longValue());
	}

	/**
	 * Removes the hocham with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param mahocham the primary key of the hocham to remove
	 * @return the hocham that was removed
	 * @throws doan.quanlycanbo.portlet.NoSuchhochamException if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham remove(long mahocham)
		throws NoSuchhochamException, SystemException {
		Session session = null;

		try {
			session = openSession();

			hocham hocham = (hocham)session.get(hochamImpl.class,
					new Long(mahocham));

			if (hocham == null) {
				if (_log.isWarnEnabled()) {
					_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + mahocham);
				}

				throw new NoSuchhochamException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
					mahocham);
			}

			return remove(hocham);
		}
		catch (NoSuchhochamException nsee) {
			throw nsee;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	protected hocham removeImpl(hocham hocham) throws SystemException {
		hocham = toUnwrappedModel(hocham);

		Session session = null;

		try {
			session = openSession();

			BatchSessionUtil.delete(session, hocham);
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST);

		EntityCacheUtil.removeResult(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamImpl.class, hocham.getPrimaryKey());

		return hocham;
	}

	public hocham updateImpl(doan.quanlycanbo.portlet.model.hocham hocham,
		boolean merge) throws SystemException {
		hocham = toUnwrappedModel(hocham);

		Session session = null;

		try {
			session = openSession();

			BatchSessionUtil.update(session, hocham, merge);

			hocham.setNew(false);
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST);

		EntityCacheUtil.putResult(hochamModelImpl.ENTITY_CACHE_ENABLED,
			hochamImpl.class, hocham.getPrimaryKey(), hocham);

		return hocham;
	}

	protected hocham toUnwrappedModel(hocham hocham) {
		if (hocham instanceof hochamImpl) {
			return hocham;
		}

		hochamImpl hochamImpl = new hochamImpl();

		hochamImpl.setNew(hocham.isNew());
		hochamImpl.setPrimaryKey(hocham.getPrimaryKey());

		hochamImpl.setMahocham(hocham.getMahocham());
		hochamImpl.setGroupId(hocham.getGroupId());
		hochamImpl.setCompanyId(hocham.getCompanyId());
		hochamImpl.setLanguageId(hocham.getLanguageId());
		hochamImpl.setTenhocham(hocham.getTenhocham());

		return hochamImpl;
	}

	/**
	 * Finds the hocham with the primary key or throws a {@link com.liferay.portal.NoSuchModelException} if it could not be found.
	 *
	 * @param primaryKey the primary key of the hocham to find
	 * @return the hocham
	 * @throws com.liferay.portal.NoSuchModelException if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham findByPrimaryKey(Serializable primaryKey)
		throws NoSuchModelException, SystemException {
		return findByPrimaryKey(((Long)primaryKey).longValue());
	}

	/**
	 * Finds the hocham with the primary key or throws a {@link doan.quanlycanbo.portlet.NoSuchhochamException} if it could not be found.
	 *
	 * @param mahocham the primary key of the hocham to find
	 * @return the hocham
	 * @throws doan.quanlycanbo.portlet.NoSuchhochamException if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham findByPrimaryKey(long mahocham)
		throws NoSuchhochamException, SystemException {
		hocham hocham = fetchByPrimaryKey(mahocham);

		if (hocham == null) {
			if (_log.isWarnEnabled()) {
				_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + mahocham);
			}

			throw new NoSuchhochamException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
				mahocham);
		}

		return hocham;
	}

	/**
	 * Finds the hocham with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param primaryKey the primary key of the hocham to find
	 * @return the hocham, or <code>null</code> if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham fetchByPrimaryKey(Serializable primaryKey)
		throws SystemException {
		return fetchByPrimaryKey(((Long)primaryKey).longValue());
	}

	/**
	 * Finds the hocham with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param mahocham the primary key of the hocham to find
	 * @return the hocham, or <code>null</code> if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham fetchByPrimaryKey(long mahocham) throws SystemException {
		hocham hocham = (hocham)EntityCacheUtil.getResult(hochamModelImpl.ENTITY_CACHE_ENABLED,
				hochamImpl.class, mahocham, this);

		if (hocham == null) {
			Session session = null;

			try {
				session = openSession();

				hocham = (hocham)session.get(hochamImpl.class,
						new Long(mahocham));
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (hocham != null) {
					cacheResult(hocham);
				}

				closeSession(session);
			}
		}

		return hocham;
	}

	/**
	 * Finds all the hochams where groupId = &#63; and languageId = &#63;.
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @return the matching hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findByG_L(long groupId, String languageId)
		throws SystemException {
		return findByG_L(groupId, languageId, QueryUtil.ALL_POS,
			QueryUtil.ALL_POS, null);
	}

	/**
	 * Finds a range of all the hochams where groupId = &#63; and languageId = &#63;.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @param start the lower bound of the range of hochams to return
	 * @param end the upper bound of the range of hochams to return (not inclusive)
	 * @return the range of matching hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findByG_L(long groupId, String languageId, int start,
		int end) throws SystemException {
		return findByG_L(groupId, languageId, start, end, null);
	}

	/**
	 * Finds an ordered range of all the hochams where groupId = &#63; and languageId = &#63;.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @param start the lower bound of the range of hochams to return
	 * @param end the upper bound of the range of hochams to return (not inclusive)
	 * @param orderByComparator the comparator to order the results by
	 * @return the ordered range of matching hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findByG_L(long groupId, String languageId, int start,
		int end, OrderByComparator orderByComparator) throws SystemException {
		Object[] finderArgs = new Object[] {
				groupId, languageId,
				
				String.valueOf(start), String.valueOf(end),
				String.valueOf(orderByComparator)
			};

		List<hocham> list = (List<hocham>)FinderCacheUtil.getResult(FINDER_PATH_FIND_BY_G_L,
				finderArgs, this);

		if (list == null) {
			StringBundler query = null;

			if (orderByComparator != null) {
				query = new StringBundler(4 +
						(orderByComparator.getOrderByFields().length * 3));
			}
			else {
				query = new StringBundler(4);
			}

			query.append(_SQL_SELECT_HOCHAM_WHERE);

			query.append(_FINDER_COLUMN_G_L_GROUPID_2);

			if (languageId == null) {
				query.append(_FINDER_COLUMN_G_L_LANGUAGEID_1);
			}
			else {
				if (languageId.equals(StringPool.BLANK)) {
					query.append(_FINDER_COLUMN_G_L_LANGUAGEID_3);
				}
				else {
					query.append(_FINDER_COLUMN_G_L_LANGUAGEID_2);
				}
			}

			if (orderByComparator != null) {
				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);
			}

			else {
				query.append(hochamModelImpl.ORDER_BY_JPQL);
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				if (languageId != null) {
					qPos.add(languageId);
				}

				list = (List<hocham>)QueryUtil.list(q, getDialect(), start, end);
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (list == null) {
					FinderCacheUtil.removeResult(FINDER_PATH_FIND_BY_G_L,
						finderArgs);
				}
				else {
					cacheResult(list);

					FinderCacheUtil.putResult(FINDER_PATH_FIND_BY_G_L,
						finderArgs, list);
				}

				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Finds the first hocham in the ordered set where groupId = &#63; and languageId = &#63;.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @param orderByComparator the comparator to order the set by
	 * @return the first matching hocham
	 * @throws doan.quanlycanbo.portlet.NoSuchhochamException if a matching hocham could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham findByG_L_First(long groupId, String languageId,
		OrderByComparator orderByComparator)
		throws NoSuchhochamException, SystemException {
		List<hocham> list = findByG_L(groupId, languageId, 0, 1,
				orderByComparator);

		if (list.isEmpty()) {
			StringBundler msg = new StringBundler(6);

			msg.append(_NO_SUCH_ENTITY_WITH_KEY);

			msg.append("groupId=");
			msg.append(groupId);

			msg.append(", languageId=");
			msg.append(languageId);

			msg.append(StringPool.CLOSE_CURLY_BRACE);

			throw new NoSuchhochamException(msg.toString());
		}
		else {
			return list.get(0);
		}
	}

	/**
	 * Finds the last hocham in the ordered set where groupId = &#63; and languageId = &#63;.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @param orderByComparator the comparator to order the set by
	 * @return the last matching hocham
	 * @throws doan.quanlycanbo.portlet.NoSuchhochamException if a matching hocham could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham findByG_L_Last(long groupId, String languageId,
		OrderByComparator orderByComparator)
		throws NoSuchhochamException, SystemException {
		int count = countByG_L(groupId, languageId);

		List<hocham> list = findByG_L(groupId, languageId, count - 1, count,
				orderByComparator);

		if (list.isEmpty()) {
			StringBundler msg = new StringBundler(6);

			msg.append(_NO_SUCH_ENTITY_WITH_KEY);

			msg.append("groupId=");
			msg.append(groupId);

			msg.append(", languageId=");
			msg.append(languageId);

			msg.append(StringPool.CLOSE_CURLY_BRACE);

			throw new NoSuchhochamException(msg.toString());
		}
		else {
			return list.get(0);
		}
	}

	/**
	 * Finds the hochams before and after the current hocham in the ordered set where groupId = &#63; and languageId = &#63;.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param mahocham the primary key of the current hocham
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @param orderByComparator the comparator to order the set by
	 * @return the previous, current, and next hocham
	 * @throws doan.quanlycanbo.portlet.NoSuchhochamException if a hocham with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public hocham[] findByG_L_PrevAndNext(long mahocham, long groupId,
		String languageId, OrderByComparator orderByComparator)
		throws NoSuchhochamException, SystemException {
		hocham hocham = findByPrimaryKey(mahocham);

		Session session = null;

		try {
			session = openSession();

			hocham[] array = new hochamImpl[3];

			array[0] = getByG_L_PrevAndNext(session, hocham, groupId,
					languageId, orderByComparator, true);

			array[1] = hocham;

			array[2] = getByG_L_PrevAndNext(session, hocham, groupId,
					languageId, orderByComparator, false);

			return array;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	protected hocham getByG_L_PrevAndNext(Session session, hocham hocham,
		long groupId, String languageId, OrderByComparator orderByComparator,
		boolean previous) {
		StringBundler query = null;

		if (orderByComparator != null) {
			query = new StringBundler(6 +
					(orderByComparator.getOrderByFields().length * 6));
		}
		else {
			query = new StringBundler(3);
		}

		query.append(_SQL_SELECT_HOCHAM_WHERE);

		query.append(_FINDER_COLUMN_G_L_GROUPID_2);

		if (languageId == null) {
			query.append(_FINDER_COLUMN_G_L_LANGUAGEID_1);
		}
		else {
			if (languageId.equals(StringPool.BLANK)) {
				query.append(_FINDER_COLUMN_G_L_LANGUAGEID_3);
			}
			else {
				query.append(_FINDER_COLUMN_G_L_LANGUAGEID_2);
			}
		}

		if (orderByComparator != null) {
			String[] orderByFields = orderByComparator.getOrderByFields();

			if (orderByFields.length > 0) {
				query.append(WHERE_AND);
			}

			for (int i = 0; i < orderByFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByFields[i]);

				if ((i + 1) < orderByFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN_HAS_NEXT);
					}
					else {
						query.append(WHERE_LESSER_THAN_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(WHERE_GREATER_THAN);
					}
					else {
						query.append(WHERE_LESSER_THAN);
					}
				}
			}

			query.append(ORDER_BY_CLAUSE);

			for (int i = 0; i < orderByFields.length; i++) {
				query.append(_ORDER_BY_ENTITY_ALIAS);
				query.append(orderByFields[i]);

				if ((i + 1) < orderByFields.length) {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC_HAS_NEXT);
					}
					else {
						query.append(ORDER_BY_DESC_HAS_NEXT);
					}
				}
				else {
					if (orderByComparator.isAscending() ^ previous) {
						query.append(ORDER_BY_ASC);
					}
					else {
						query.append(ORDER_BY_DESC);
					}
				}
			}
		}

		else {
			query.append(hochamModelImpl.ORDER_BY_JPQL);
		}

		String sql = query.toString();

		Query q = session.createQuery(sql);

		q.setFirstResult(0);
		q.setMaxResults(2);

		QueryPos qPos = QueryPos.getInstance(q);

		qPos.add(groupId);

		if (languageId != null) {
			qPos.add(languageId);
		}

		if (orderByComparator != null) {
			Object[] values = orderByComparator.getOrderByValues(hocham);

			for (Object value : values) {
				qPos.add(value);
			}
		}

		List<hocham> list = q.list();

		if (list.size() == 2) {
			return list.get(1);
		}
		else {
			return null;
		}
	}

	/**
	 * Finds all the hochams.
	 *
	 * @return the hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findAll() throws SystemException {
		return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Finds a range of all the hochams.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param start the lower bound of the range of hochams to return
	 * @param end the upper bound of the range of hochams to return (not inclusive)
	 * @return the range of hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findAll(int start, int end) throws SystemException {
		return findAll(start, end, null);
	}

	/**
	 * Finds an ordered range of all the hochams.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param start the lower bound of the range of hochams to return
	 * @param end the upper bound of the range of hochams to return (not inclusive)
	 * @param orderByComparator the comparator to order the results by
	 * @return the ordered range of hochams
	 * @throws SystemException if a system exception occurred
	 */
	public List<hocham> findAll(int start, int end,
		OrderByComparator orderByComparator) throws SystemException {
		Object[] finderArgs = new Object[] {
				String.valueOf(start), String.valueOf(end),
				String.valueOf(orderByComparator)
			};

		List<hocham> list = (List<hocham>)FinderCacheUtil.getResult(FINDER_PATH_FIND_ALL,
				finderArgs, this);

		if (list == null) {
			StringBundler query = null;
			String sql = null;

			if (orderByComparator != null) {
				query = new StringBundler(2 +
						(orderByComparator.getOrderByFields().length * 3));

				query.append(_SQL_SELECT_HOCHAM);

				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);

				sql = query.toString();
			}
			else {
				sql = _SQL_SELECT_HOCHAM.concat(hochamModelImpl.ORDER_BY_JPQL);
			}

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				if (orderByComparator == null) {
					list = (List<hocham>)QueryUtil.list(q, getDialect(), start,
							end, false);

					Collections.sort(list);
				}
				else {
					list = (List<hocham>)QueryUtil.list(q, getDialect(), start,
							end);
				}
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (list == null) {
					FinderCacheUtil.removeResult(FINDER_PATH_FIND_ALL,
						finderArgs);
				}
				else {
					cacheResult(list);

					FinderCacheUtil.putResult(FINDER_PATH_FIND_ALL, finderArgs,
						list);
				}

				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Removes all the hochams where groupId = &#63; and languageId = &#63; from the database.
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @throws SystemException if a system exception occurred
	 */
	public void removeByG_L(long groupId, String languageId)
		throws SystemException {
		for (hocham hocham : findByG_L(groupId, languageId)) {
			remove(hocham);
		}
	}

	/**
	 * Removes all the hochams from the database.
	 *
	 * @throws SystemException if a system exception occurred
	 */
	public void removeAll() throws SystemException {
		for (hocham hocham : findAll()) {
			remove(hocham);
		}
	}

	/**
	 * Counts all the hochams where groupId = &#63; and languageId = &#63;.
	 *
	 * @param groupId the group id to search with
	 * @param languageId the language id to search with
	 * @return the number of matching hochams
	 * @throws SystemException if a system exception occurred
	 */
	public int countByG_L(long groupId, String languageId)
		throws SystemException {
		Object[] finderArgs = new Object[] { groupId, languageId };

		Long count = (Long)FinderCacheUtil.getResult(FINDER_PATH_COUNT_BY_G_L,
				finderArgs, this);

		if (count == null) {
			StringBundler query = new StringBundler(3);

			query.append(_SQL_COUNT_HOCHAM_WHERE);

			query.append(_FINDER_COLUMN_G_L_GROUPID_2);

			if (languageId == null) {
				query.append(_FINDER_COLUMN_G_L_LANGUAGEID_1);
			}
			else {
				if (languageId.equals(StringPool.BLANK)) {
					query.append(_FINDER_COLUMN_G_L_LANGUAGEID_3);
				}
				else {
					query.append(_FINDER_COLUMN_G_L_LANGUAGEID_2);
				}
			}

			String sql = query.toString();

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				QueryPos qPos = QueryPos.getInstance(q);

				qPos.add(groupId);

				if (languageId != null) {
					qPos.add(languageId);
				}

				count = (Long)q.uniqueResult();
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (count == null) {
					count = Long.valueOf(0);
				}

				FinderCacheUtil.putResult(FINDER_PATH_COUNT_BY_G_L, finderArgs,
					count);

				closeSession(session);
			}
		}

		return count.intValue();
	}

	/**
	 * Counts all the hochams.
	 *
	 * @return the number of hochams
	 * @throws SystemException if a system exception occurred
	 */
	public int countAll() throws SystemException {
		Object[] finderArgs = new Object[0];

		Long count = (Long)FinderCacheUtil.getResult(FINDER_PATH_COUNT_ALL,
				finderArgs, this);

		if (count == null) {
			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(_SQL_COUNT_HOCHAM);

				count = (Long)q.uniqueResult();
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (count == null) {
					count = Long.valueOf(0);
				}

				FinderCacheUtil.putResult(FINDER_PATH_COUNT_ALL, finderArgs,
					count);

				closeSession(session);
			}
		}

		return count.intValue();
	}

	/**
	 * Initializes the hocham persistence.
	 */
	public void afterPropertiesSet() {
		String[] listenerClassNames = StringUtil.split(GetterUtil.getString(
					com.liferay.util.service.ServiceProps.get(
						"value.object.listener.doan.quanlycanbo.portlet.model.hocham")));

		if (listenerClassNames.length > 0) {
			try {
				List<ModelListener<hocham>> listenersList = new ArrayList<ModelListener<hocham>>();

				for (String listenerClassName : listenerClassNames) {
					listenersList.add((ModelListener<hocham>)InstanceFactory.newInstance(
							listenerClassName));
				}

				listeners = listenersList.toArray(new ModelListener[listenersList.size()]);
			}
			catch (Exception e) {
				_log.error(e);
			}
		}
	}

	public void destroy() {
		EntityCacheUtil.removeCache(hochamImpl.class.getName());
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_LIST);
	}

	@BeanReference(type = khoidonviquanlyPersistence.class)
	protected khoidonviquanlyPersistence khoidonviquanlyPersistence;
	@BeanReference(type = donviPersistence.class)
	protected donviPersistence donviPersistence;
	@BeanReference(type = chucvuPersistence.class)
	protected chucvuPersistence chucvuPersistence;
	@BeanReference(type = capuyPersistence.class)
	protected capuyPersistence capuyPersistence;
	@BeanReference(type = danhhieuPersistence.class)
	protected danhhieuPersistence danhhieuPersistence;
	@BeanReference(type = dantocPersistence.class)
	protected dantocPersistence dantocPersistence;
	@BeanReference(type = hochamPersistence.class)
	protected hochamPersistence hochamPersistence;
	@BeanReference(type = hocviPersistence.class)
	protected hocviPersistence hocviPersistence;
	@BeanReference(type = tongiaoPersistence.class)
	protected tongiaoPersistence tongiaoPersistence;
	@BeanReference(type = xuatthanPersistence.class)
	protected xuatthanPersistence xuatthanPersistence;
	@BeanReference(type = giaoducphothongPersistence.class)
	protected giaoducphothongPersistence giaoducphothongPersistence;
	@BeanReference(type = ngachluongPersistence.class)
	protected ngachluongPersistence ngachluongPersistence;
	@BeanReference(type = hesoluongPersistence.class)
	protected hesoluongPersistence hesoluongPersistence;
	@BeanReference(type = hosoPersistence.class)
	protected hosoPersistence hosoPersistence;
	@BeanReference(type = sachxuatbanPersistence.class)
	protected sachxuatbanPersistence sachxuatbanPersistence;
	@BeanReference(type = dienbienhochamPersistence.class)
	protected dienbienhochamPersistence dienbienhochamPersistence;
	@BeanReference(type = dienbienhocviPersistence.class)
	protected dienbienhocviPersistence dienbienhocviPersistence;
	@BeanReference(type = dienbienluongPersistence.class)
	protected dienbienluongPersistence dienbienluongPersistence;
	@BeanReference(type = quatrinhdinuocngoaiPersistence.class)
	protected quatrinhdinuocngoaiPersistence quatrinhdinuocngoaiPersistence;
	@BeanReference(type = quatrinhnghiencuuPersistence.class)
	protected quatrinhnghiencuuPersistence quatrinhnghiencuuPersistence;
	@BeanReference(type = ResourcePersistence.class)
	protected ResourcePersistence resourcePersistence;
	@BeanReference(type = UserPersistence.class)
	protected UserPersistence userPersistence;
	private static final String _SQL_SELECT_HOCHAM = "SELECT hocham FROM hocham hocham";
	private static final String _SQL_SELECT_HOCHAM_WHERE = "SELECT hocham FROM hocham hocham WHERE ";
	private static final String _SQL_COUNT_HOCHAM = "SELECT COUNT(hocham) FROM hocham hocham";
	private static final String _SQL_COUNT_HOCHAM_WHERE = "SELECT COUNT(hocham) FROM hocham hocham WHERE ";
	private static final String _FINDER_COLUMN_G_L_GROUPID_2 = "hocham.groupId = ? AND ";
	private static final String _FINDER_COLUMN_G_L_LANGUAGEID_1 = "hocham.languageId IS NULL";
	private static final String _FINDER_COLUMN_G_L_LANGUAGEID_2 = "hocham.languageId = ?";
	private static final String _FINDER_COLUMN_G_L_LANGUAGEID_3 = "(hocham.languageId IS NULL OR hocham.languageId = ?)";
	private static final String _ORDER_BY_ENTITY_ALIAS = "hocham.";
	private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No hocham exists with the primary key ";
	private static final String _NO_SUCH_ENTITY_WITH_KEY = "No hocham exists with the key {";
	private static Log _log = LogFactoryUtil.getLog(hochamPersistenceImpl.class);
}